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PDF AX1212A Data sheet ( Hoja de datos )
| Número de pieza | AX1212A | |
| Descripción | 1.2V Output 1A LOW Dropout Linear Regulator | |
| Fabricantes | AXElite | |
| Logotipo |  |
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AX1212A
1.2V Output 1A LOW Dropout Linear Regulator
GENERAL DESCRIPTION
AX1212A is a low dropout positive 1.2V output regulator with minimum of 1A output
current capability. The product is specifically designed to provide well-regulated supply for
low voltage IC applications. AX1212A is also well suited for other applications such as VGA
cards. AX1212A is guaranteed to have lower than 1.5V dropout at full load current making
it ideal to provide well-regulated outputs of 1.2V with 2.6V to 12V input supply.
FEATURES
- Fixed 1.2V + 2% output voltage
- 1.5V maximum dropout at full load current
- Low-ESR Ceramic Capacitor (MLCC) Required for Stability
- Fast transient response
- Output current limiting
- Built-in thermal shutdown
- Good noise rejection
- Pb-Free Packages: SOT223, TO252
BLOCK DIAGRAM
Vin 3
2 Vout
Thermal
Shutdown
+
+-
CURRENT
LIMIT
+
1.2V
+
- 1 GND
1/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Sep.16, 2010
1 page  
AX1212A
TYPICAL CHARACTERISTICS
2. 0
1. 8
1. 6
1. 4
1. 2 Tj = 25 oC
1. 0
0. 8
Tj = 125 oC
0. 6
0. 4
0. 2
0
0
250 500 750
Output Current (mA)
Dropout Voltage vs Output Current
1000
0.20
0
-0.20
I load=800mA
-0.40
-0.80
- 1-25
0
25 50 75
Temperature (oC)
100
Load Regulation vs Temperature
125
21
1.5
0.8
1
0. 5 0.6
0
-0.5 0.4
-1
0.2
-1.5
-2
-50 -25 0 25 50 75 100 125 150
Temperature (oC)
Percent Change in Output Voltage vs Temperature
0
2
46
8
Input Voltage (V)
Line Regulation
10
12
7.5
Cin=1uF
Cout=10uF Tantalum
6.5
5.5
40
20
0
-20
-40
0 20 40 60 80 100 120 140 160 180 200
TIME (us)
Line Transient Response
30
C in = 1uF
20 C out = 10 uF Tantalum
Preload = 100mA
10
0
-10
-20
2
1
0
-1 0 10 20 30 40 50 60 70 80 90 100
TIME (us)
Load Transient Response
5/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Sep.16, 2010
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AX1212A.PDF ] | |
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